// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/renderer_host/input/synthetic_gesture.h"

#include "base/logging.h"
#include "content/browser/renderer_host/input/synthetic_gesture_target.h"
#include "content/browser/renderer_host/input/synthetic_pinch_gesture.h"
#include "content/browser/renderer_host/input/synthetic_pointer_action.h"
#include "content/browser/renderer_host/input/synthetic_smooth_drag_gesture.h"
#include "content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.h"
#include "content/browser/renderer_host/input/synthetic_tap_gesture.h"

namespace content {
namespace {

    template <typename GestureType, typename GestureParamsType>
    static std::unique_ptr<SyntheticGesture> CreateGesture(
        const SyntheticGestureParams& gesture_params)
    {
        return std::unique_ptr<SyntheticGesture>(
            new GestureType(*GestureParamsType::Cast(&gesture_params)));
    }

} // namespace

SyntheticGesture::SyntheticGesture() { }

SyntheticGesture::~SyntheticGesture() { }

std::unique_ptr<SyntheticGesture> SyntheticGesture::Create(
    const SyntheticGestureParams& gesture_params)
{
    switch (gesture_params.GetGestureType()) {
    case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
        return CreateGesture<SyntheticSmoothScrollGesture,
            SyntheticSmoothScrollGestureParams>(gesture_params);
    case SyntheticGestureParams::SMOOTH_DRAG_GESTURE:
        return CreateGesture<SyntheticSmoothDragGesture,
            SyntheticSmoothDragGestureParams>(gesture_params);
    case SyntheticGestureParams::PINCH_GESTURE:
        return CreateGesture<SyntheticPinchGesture,
            SyntheticPinchGestureParams>(gesture_params);
    case SyntheticGestureParams::TAP_GESTURE:
        return CreateGesture<SyntheticTapGesture,
            SyntheticTapGestureParams>(gesture_params);
    case SyntheticGestureParams::POINTER_ACTION_LIST:
        return CreateGesture<SyntheticPointerAction,
            SyntheticPointerActionListParams>(gesture_params);
    default:
        NOTREACHED() << "Invalid synthetic gesture type";
        return nullptr;
    }
}

} // namespace content
